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Health Canada NPN 80004411 1000 mg Methylsulfonylmethane (MSM) per capsule Vegan · Non-GMO · Gluten-Free Made in Canada · GMP facility
MSMMSM - benefits and key ingredients MSM - lifestyleMSM - ingredientsMSM - supplement facts panel

AOR MSM 1000mg - Methylsulfonylmethane for Joint Comfort | 100-200 Caps

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$34.29 CAD
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BrandAOR
Dose1 capsule, 3 times daily, with food
Licensed Natural Health ProductNPN 80004411
Quality StandardsGMP-compliant facility
CountryMade in Canada Made in Canada

About this item

  • PURE 1000 MG MSM PER CAPSULE: Each vegan capsule delivers 1000 mg of methylsulfonylmethane (MSM), a naturally occurring organosulfur compound, with no unnecessary fillers.
  • LICENSED JOINT-COMFORT CLAIM: A Health Canada licensed Natural Health Product (NPN 80004411) - evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis.
  • A NATURAL SOURCE OF DIETARY SULFUR: MSM supplies sulfur, an element involved in the body's production of collagen - promoting healthy skin alongside its joint-comfort role.
  • SUPPORTS OVERALL JOINT MOBILITY: Formulated to help support joint comfort and everyday mobility and flexibility as part of a daily routine.
  • SIMPLE DAILY DOSE: Take 1 capsule 3 times daily with food. Avoid taking at bedtime. Use for a minimum of 4 weeks to see beneficial effects.
  • VEGAN, NON-GMO AND GLUTEN-FREE: A vegan hypromellose capsule with no animal-derived ingredients, formulated to be non-GMO and gluten-free.
  • TWO CONVENIENT SIZES: Available in a 100-capsule (33-day supply) or 200-capsule (66-day supply) bottle - both the same NPN 80004411 formula, at 1000 mg of MSM per capsule.
  • MADE IN CANADA, LICENSED QUALITY: Manufactured for AOR - Advanced Orthomolecular Research, Calgary, Alberta - in a GMP-compliant facility and licensed by Health Canada under NPN 80004411.

Product description

AOR MSM - pure methylsulfonylmethane for joint comfort

AOR MSM

A closer look at AOR MSM - 1000 mg of pure methylsulfonylmethane (MSM) per vegan capsule. Licensed Natural Health Product, NPN 80004411. Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis. Licensed Natural Health Product NPN 80004411.

Un regard plus approfondi sur AOR MSM - 1000 mg de méthylsulfonylméthane (MSM) pur par capsule végétalienne. Produit de santé naturel homologué, NPN 80004411. Des preuves démontrent que le MSM peut jouer un rôle dans le soulagement de la douleur articulaire associée à l'arthrose.

MSM lifestyle
AOR MSM
Pure MSM · 1000 mg per Capsule

One Pure Sulfur Compound, Studied for Joint Comfort

1000 mg of methylsulfonylmethane (MSM) in a single vegan capsule - no other medicinal ingredients.

Methylsulfonylmethane (MSM)

1000 mg of pure MSM per capsule - an organosulfur compound naturally present in small amounts in fruits, vegetables and grains, and formed naturally in the body.

The AOR difference

A single-ingredient, vegan capsule with no unnecessary fillers, made in Canada to GMP standards and licensed by Health Canada.

What AOR MSM Supports

MSM is a naturally occurring source of dietary sulfur - here is what AOR MSM is formulated to support.

Joint Comfort

Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis.

Healthy Skin

MSM supplies sulfur, involved in the body's production of collagen - promoting healthy skin.

Connective Tissue Function

Provides sulfur to support the connective tissue that cushions and supports the joints.

Overall Mobility

Formulated to support overall joint health and everyday mobility and flexibility.

AOR MSM: Supplement Facts

AOR™MSM
English

Medicinal Ingredient (per capsule)

  • Methylsulfonylmethane (MSM) vegan, synthetic1000 mg

Non-Medicinal Ingredients: Non-medicinal Ingredients: Sodium stearyl fumarate, silica. Capsule: hypromellose.

Recommended Use or Purpose (NPN 80004411): Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis.

Recommended Dose (Adults 18 years and older): Take 1 capsule 3 times daily with food, or as directed by a qualified health care practitioner. Avoid taking at bedtime. Use for a minimum of 4 weeks to see beneficial effects. Do not crush, mix or blend capsules; swallow whole.

Cautions and Warnings: Consult a health care practitioner before use if you are pregnant or breastfeeding. Consult a health care practitioner if symptoms worsen. You may experience mild gastrointestinal discomfort, such as bloating, constipation or indigestion. Avoid taking at bedtime. Do not use if the safety seal is broken. Store tightly sealed in a cool, dry place.

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.

Français

Ingrédient médicinal (par capsule)

  • Méthylsulfonylméthane (MSM) végétalien, synthétique1000 mg

Ingrédients non médicinaux : Ingrédients non médicinaux : Stéarylfumarate de sodium, silice. Capsule : hypromellose.

Usage ou fins recommandés (NPN 80004411) : Des preuves démontrent que le MSM peut jouer un rôle dans le soulagement de la douleur articulaire associée à l'arthrose.

Dose recommandée (adultes de 18 ans et plus) : Prendre 1 capsule 3 fois par jour avec de la nourriture, ou selon les directives d'un professionnel de la santé qualifié. Éviter de prendre au coucher. Utiliser pendant au moins 4 semaines pour constater les effets bénéfiques. Ne pas écraser, mélanger ou broyer les capsules; avaler entières.

Mises en garde et précautions : Consultez un praticien de soins de santé avant l'utilisation si vous êtes enceinte ou si vous allaitez. Consultez un praticien de soins de santé si les symptômes s'aggravent. Vous pourriez souffrir d'un léger inconfort gastro-intestinal, comme des ballonnements, de la constipation ou de l'indigestion. Éviter de prendre au coucher. Ne pas utiliser si le sceau de sécurité est brisé. Conserver hermétiquement fermé dans un endroit frais et sec.

NPN 80004411

Pure single-ingredient sulfur compound1000 mg MSM per capsule · 100 or 200 capsulesVegan · Non-GMO · Gluten-freeMade in Canada

Ease into joint comfort, the simple way

Get AOR MSM on Amazon.ca - fast, protected delivery.

Get it on Amazon.ca

Why AOR MSM

One pure, well-studied sulfur compound - here is what it is formulated to support.

Joint Comfort

Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis.

Healthy Skin

MSM's sulfur content is involved in the body's production of collagen, promoting healthy skin.

Single-Ingredient Purity

1000 mg of MSM per capsule, with no other medicinal ingredients - simple to understand, simple to take.

Premium Canadian Brand

AOR - Advanced Orthomolecular Research, Calgary, Alberta, since 1991. Vegan, non-GMO, gluten-free, GMP-manufactured.

How to use

Take with food

Adults 18 years and older: take 1 capsule 3 times daily with food, or as directed by a qualified health care practitioner.

Avoid at bedtime

Avoid taking MSM at bedtime.

Swallow whole

Do not crush, mix or blend capsules - swallow them whole with water.

Give it time

Use for a minimum of 4 weeks of consistent use to see beneficial effects.

What the research says about MSM

Peer-reviewed studies and reviews on the ingredient MSM (methylsulfonylmethane) - shared for education, not as claims about this finished product. AOR MSM's claims are the statements authorized under its Natural Health Product licence, NPN 80004411.

Joint Comfort & Osteoarthritis Research

The foundational MSM osteoarthritis trial

In a 12-week pilot trial, 50 adults with knee osteoarthritis took 3 g of MSM twice daily (6 g/day) or placebo. MSM produced significant decreases in WOMAC pain and physical-function impairment, and improved daily-activity scores, versus placebo.

Human RCT
Kim et al., Osteoarthritis and Cartilage (2006)
Joint Comfort & Osteoarthritis Research

Improved knee-related quality of life over 12 weeks

In an 88-person randomized, double-blind, placebo-controlled trial, healthy adults with mild knee pain who took 2,000 mg of MSM daily for 12 weeks showed a significantly better total score on the Japanese Knee Osteoarthritis Measure (JKOM) than the placebo group.

Human RCT
Toguchi et al., Nutrients (2023)
Joint Comfort & Osteoarthritis Research

A null result when used preventively in young trainees

In 180 military initial-entry trainees aged 18-40, 3 g of MSM daily for 8 weeks did not significantly improve knee-outcome or mood-state scores versus placebo - though the dose was reported as safe. A reminder that MSM's studied benefit is for existing osteoarthritis pain, not injury prevention in young, healthy joints.

Human RCT
Tennent et al., U.S. Army Medical Department Journal (2017)
Inflammation & Oxidative Stress Mechanism

Dampens a key inflammatory signaling pathway

In human monocytes exposed to a bacterial inflammatory trigger (LPS), natural sulfur compounds including MSM suppressed activation of the TLR4/NF-kB signaling pathway and reduced reactive-oxygen-species generation and DNA damage.

Lab study
Kang et al., Molecular Medicine Reports (2025)
Inflammation & Oxidative Stress Mechanism

Reduces inflammatory cytokines in skin cells

In cultured human skin fibroblasts, MSM and a related natural sulfur compound inhibited LPS-triggered NF-kB signaling and reduced the inflammatory cytokines COX-2, IL-1beta and IL-6, alongside lower oxidative DNA damage.

Lab study
Sp et al., Life (Basel) (2021)
Inflammation & Oxidative Stress Mechanism

Reduced oxidative-stress effects in an animal model

In mice exposed to alcohol and circadian disruption, MSM administration reduced anxiety-like behavior and was associated with improved markers of oxidative stress and inflammation, illustrating its antioxidant activity outside the joint.

Animal study
Latha Laxmi & Tamizhselvi, Neurochemical Research (2025)
Exercise Recovery & Muscle Soreness

A trend toward less soreness, a rise in antioxidant capacity

In a pilot study, 8 moderately trained men took 1.5 g or 3 g of MSM daily for 30 days around muscle-damaging knee-extension exercise. The 3 g dose showed a trend toward less muscle soreness and a significant rise in blood antioxidant capacity (TEAC) after exercise.

Human RCT
Kalman et al., Journal of the International Society of Sports Nutrition (2012)
Exercise Recovery & Muscle Soreness

Clinically meaningful pain reduction after a half-marathon

In a placebo-controlled trial around a half-marathon, 3 g/day of MSM did not significantly change lab markers of oxidative stress or muscle damage, but the MSM group saw a clinically meaningful (though not statistically significant) reduction in post-race muscle and joint pain.

Human RCT
Withee et al., Journal of the International Society of Sports Nutrition (2017)
Exercise Recovery & Muscle Soreness

Lower muscle-damage markers after a 14 km run

Healthy young men who took MSM for 10 days before a 14 km run showed significantly lower post-exercise creatine kinase and bilirubin (markers of muscle damage) and significantly higher total antioxidant capacity than the placebo group.

Human RCT
Barmaki et al., The Journal of Sports Medicine and Physical Fitness (2012)
Skin Health (Sulfur & Collagen)

Reduced visible signs of skin aging over 16 weeks

Across two human studies (a 20-person pilot and a 63-person dose-response study), oral MSM at 1 g or 3 g per day for 16 weeks significantly reduced facial wrinkles and skin roughness and improved skin firmness, elasticity and hydration versus placebo - even at the lower 1 g/day dose.

Human study
Muizzuddin & Benjamin, International Journal for Vitamin and Nutrition Research (2020)
Skin Health (Sulfur & Collagen)

Protected skin structure against UV damage in mice

In hairless mice exposed to 6 weeks of UVB irradiation, MSM reduced the wrinkle score and epidermal thickening, and preserved more collagen and elastic-fiber structure than the UV-damaged control group.

Animal study
Chu et al., In Vivo (2022)
Skin Health (Sulfur & Collagen)

A cell-level look at sulfur's role in skin biology

In cultured melanocytes, MSM activated the JNK signaling pathway and increased melanin production - a mechanism the researchers suggest could be explored for pigment-related skin conditions, illustrating sulfur's broader role in skin cell biology.

Lab study
Kim et al., International Journal of Cosmetic Science (2024)
Safety & Tolerability

A well-tolerated, GRAS-recognized supplement

A review of MSM research across animal models and human trials describes it as a Generally Recognized As Safe (GRAS) substance that is well tolerated by most people at daily doses of up to 4 g, with few and typically mild side effects.

Review
Butawan et al., Nutrients (2017)
Safety & Tolerability

No evidence of liver toxicity in an animal safety study

Mice given MSM-containing water for 17 days showed no evidence of liver toxicity and no induction of liver-metabolizing (cytochrome P450) enzymes, including when combined with a cannabidiol-rich cannabis extract in the same study.

Animal study
Kutanzi et al., International Journal of Molecular Sciences (2020)
Safety & Tolerability

Low potential for interactions with other medications

Testing MSM alongside glucosamine and chondroitin sulfate in human liver microsomes found no significant inhibition of seven major drug-metabolizing (cytochrome P450) enzymes, suggesting a low potential for interactions with commonly co-administered osteoarthritis medications.

Lab study
Kim et al., Molecules (2023)
Comparative Joint-Supplement Research

One of 20 supplements assessed for osteoarthritis

A systematic review and meta-analysis of 69 trials covering 20 dietary supplements for hand, hip or knee osteoarthritis found MSM among six supplements (alongside undenatured type II collagen, glucosamine and chondroitin) with a statistically significant, if not always clinically large, short-term pain benefit versus placebo.

Systematic review
Liu et al., British Journal of Sports Medicine (2018)
Comparative Joint-Supplement Research

Adding MSM to a joint-support combination sped up relief

In a 100-patient randomized comparative study of knee osteoarthritis, a chondroitin-glucosamine-hyaluronate combination with added MSM produced faster patient- and physician-reported improvement than the same type of combination without MSM, though both formulas significantly reduced pain over 4 months.

Human RCT
Alekseeva et al., Terapevticheskii Arkhiv (2015)
Comparative Joint-Supplement Research

An MSM-containing combination matched a standard regimen

A 70-patient randomized study compared a combination of undenatured type II collagen, Boswellia serrata, MSM and vitamins C/D against standard glucosamine hydrochloride plus chondroitin sulfate for knee osteoarthritis; the MSM-containing combination was not inferior in efficacy over 6 months, with a greater reduction in morning stiffness.

Human RCT
Mazurov et al., Terapevticheskii Arkhiv (2023)
Foundational MSM & Sulfur Biochemistry

MSM is a natural product of the body's own sulfur metabolism

A review of microbial-mammalian co-metabolism traces how gut microbiota help convert dietary sulfur compounds into dimethyl sulfone (MSM) - showing MSM is a naturally occurring part of the human metabolome, not solely a manufactured additive.

Review
He & Slupsky, Journal of Proteome Research (2014)
Foundational MSM & Sulfur Biochemistry

How the body forms MSM from a related sulfur compound

A classic primate study found that an orally dosed, related sulfur compound (dimethyl sulfoxide) is converted in the body to dimethyl sulfone (MSM), which then circulates with a blood half-life of about 38 hours before being cleared - part of the metabolic pathway that produces MSM in vivo.

Animal study
Layman & Jacob, Life Sciences (1985)
Foundational MSM & Sulfur Biochemistry

The molecular structure behind sulfur's natural cycle

Structural biology research solved the crystal structure of a bacterial enzyme that breaks down dimethyl sulfone as part of environmental sulfur cycling, giving scientists a detailed molecular picture of how this simple organosulfur compound is processed in nature.

Lab study
Gonzalez et al., Proceedings of the National Academy of Sciences (2024)
Dosing Research

How quickly MSM is absorbed and cleared

A radiolabeled pharmacokinetic study in rats found orally dosed MSM was rapidly absorbed (peak blood levels at about 2.1 hours), distributed fairly evenly through soft tissues, and almost entirely eliminated in urine within 120 hours - supporting a rationale for regular daily dosing.

Animal study
Magnuson et al., Journal of Agricultural and Food Chemistry (2007)
Dosing Research

Well tolerated across a range of doses

A dose-ranging animal study found typical dietary-supplement-range doses of MSM caused no meaningful changes in blood chemistry, with only the highest tested doses (well above typical human supplemental intake) producing minor, transient blood-count shifts; daily dosing for 21 days caused no adverse effects on growth, and MSM was detected even in untreated control animals, confirming the body makes some MSM on its own.

Animal study
Abdul Rasheed et al., Poultry Science (2019)
Dosing Research

No interaction when combined with other joint-support ingredients

A human crossover study found that when MSM was taken together with Boswellia serrata, curcumin and pine bark extract - other ingredients commonly found in joint-support supplements - there were no significant changes in the pharmacokinetics of any ingredient compared with taking them alone.

Human PK study
Liu et al., Journal of Pharmacy and Pharmacology (2019)

Frequently asked questions

What is AOR MSM for?

It is a Health Canada licensed Natural Health Product (NPN 80004411). Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis.

What is in each capsule?

Each vegan capsule provides 1000 mg of Methylsulfonylmethane (MSM), plus sodium stearyl fumarate and silica as non-medicinal ingredients. The capsule shell is hypromellose.

How do I take it?

Adults 18 years and older: take 1 capsule 3 times daily with food, or as directed by a qualified health care practitioner. Avoid taking at bedtime. Use for a minimum of 4 weeks to see beneficial effects.

Who should check with a health care practitioner before use?

Consult a health care practitioner before use if you are pregnant or breastfeeding, or if symptoms worsen while using this product. Mild gastrointestinal discomfort, such as bloating, constipation or indigestion, may occur.

What size options are available?

AOR MSM comes in a 100-capsule (33-day supply) and a 200-capsule (66-day supply) bottle - both the same NPN 80004411 formula, at 1000 mg of MSM per capsule and the same recommended dose.

Is it vegan?

Yes. Both the MSM and the hypromellose capsule shell are vegan - the formula is also non-GMO and gluten-free, with no animal-derived ingredients.

Is it made in Canada?

Yes. It is manufactured for Advanced Orthomolecular Research (AOR), Calgary, Alberta, and licensed by Health Canada under NPN 80004411.

Where do I buy it?

Use the orange button on this page - it takes you to the AOR listing on Amazon.ca for secure checkout and fast delivery.

Pure single-ingredient sulfur compound1000 mg MSM per capsule · 100 or 200 capsulesVegan · Non-GMO · Gluten-freeMade in Canada

Ease into joint comfort, the simple way

Get AOR MSM on Amazon.ca - fast, protected delivery.

Get it on Amazon.ca

Natural Health Product NPN 80004411. Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis. The research summaries below concern the ingredient MSM (methylsulfonylmethane) and are educational - they are not claims about this finished product. Read and follow the label. Consult a health care practitioner before use if you are pregnant or breastfeeding, or if symptoms worsen. Mild gastrointestinal discomfort may occur. Avoid taking at bedtime. Results may vary.

Important information

Safety Information

Cautions and Warnings: Consult a health care practitioner before use if you are pregnant or breastfeeding. Consult a health care practitioner if symptoms worsen. You may experience mild gastrointestinal discomfort, such as bloating, constipation or indigestion. Avoid taking at bedtime. Do not use if the safety seal is broken. Store tightly sealed in a cool, dry place.

Indications

Recommended Use or Purpose (NPN 80004411): Evidence supports a role for MSM in helping to relieve joint pain associated with osteoarthritis.

Ingredients

Medicinal Ingredient (per capsule): Methylsulfonylmethane (MSM) 1000 mg. Non-medicinal Ingredients: Sodium stearyl fumarate, silica. Capsule: hypromellose. Non-medicinal ingredients are subject to change - always read and follow the label.

Directions

Recommended Dose (Adults 18 years and older): Take 1 capsule 3 times daily with food, or as directed by a qualified health care practitioner. Avoid taking at bedtime. Use for a minimum of 4 weeks to see beneficial effects. Do not crush, mix or blend capsules; swallow whole.

Legal Disclaimer

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.